1. Reuse the same test tubes from part A, labeled Fe2+ and Fe3+. Be sure they're clean. 2. Add 4 milliliters of iron(II) sulfate to the test tube labeled Feat.
3. Add 4 milliliters of iron(III) nitrate to the test tube labeled Fe3+
4. Add 4 milliliters of potassium iodide to each test tube.
5. Add 1 milliliter of the prepared starch solution to each test tube.
6. Record your observations, noting any evidence of a chemical reaction. If there is no evidence of a reaction, write "no
reaction